Digital television (DTV) network is medium that transports moving images, in the form of digital video signal and accompanying sound, in the form of digital audio signal, from one point to another. However, the system may include data and control signals and hence may be thought of as a multimedia system. Various network technologies find use in the digital television production and transmissio...

OBJECTIVE To examine trends in children's exposure to food-related advertising on television by age, product category, and company. DESIGN Nutritional content analysis using television ratings data for 2003, 2005, 2007, and 2009 for children. SETTING Annual age-specific television ratings data captured children's exposure to broadcast network, cable network, syndicated, and spot television ...

The development of digital television in Colombia has grown in last year’s, specially the digital terrestrial television (DTT), which is an essential part to the projects of National Minister of ICT, thanks to the big distribution and use of the television network and Internet in the country. This article explains how joining different technologies like social networks, information adaptation a...

Due to the increase of users the efficient usage of spectrum plays an important role in digital terrestrial television networks. In digital video broadcasting, local and global content are transmitted by single frequency network and multifrequency network respectively. Multifrequency network support transmission of global content and it consumes large spectrum. Similarly local content are well ...

One impact of the introduction of television, according to widely held views, is an undermining of traditional values and social organization. In this study, we simulated this process by representing social communication as a Random Boolean Network in which the individuals are nodes, and each node’s state represents an opinion (yes / no) about some issue. Television is modelled as having a dire...

The present paper is a five-week content analysis of crime stories reported on television news. The sample consists of three nightly newscasts available on a rural, midwestern cable system. Included are nightly newscasts from a national network, a big city television station, and a small town channel. Findings from this exploratory study show that these three sources of television news differ s...

Although television is still the dominant source, in recent years the public's consumption of news programming has shifted noticeably. While formerly audiences tuned in to the networks' national newscasts with regularity, today more people rely on local news programs than on network news. Opinion surveys recorded this shift as early as 1993 when the Roper Organization's annual survey of televis...

The Research Data Network Cooperative Research Centre is conducting trials over an experimental city-to-city Asynchronous Transfer Mode (ATM) network as part of an initiative to investigate potential applications of high-speed switched networks. One of these trials involves the remote access and navigation of video collections by film and television researchers and is being conducted to investi...